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Home >> Audi >> 2020 >> S4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Crankshaft, Cylinder Block [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA]) >> 13 Crankshaft, Cylinder Block >> Cylinder Block, Belt Pulley Side >> Overview - Cylinder Block, Belt Pulley Side >> Overview - Cylinder Block, Belt Pulley Side, Vehicles With Starter Generator

Overview - Cylinder Block, Belt Pulley Side, Vehicles With Starter Generator

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2020 Audi A4 allroad, 2020 Audi A4 Quattro, 2019 Audi A4 allroad, 2019 Audi A4 Quattro, and 2018 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Cylinder Block, Belt Pulley Side (Vehicles With Starter Generator)
GWWA13-11209Courtesy of AUDI OF AMERICA, LLC
  1. Ribbed Belt
    • Check for wear
    • Do not kink
    • Ribbed belt routing. Refer to Fig 2.
    • Before removing, mark the running direction using chalk or a felt-tip pen.
    • Removing and Installing. Refer to RIBBED BELT, REMOVING AND INSTALLING .
    • When installing, make sure it is seated correctly on the ribbed belt pulleys
  2. Bolt
    • Vehicles with a manual transmission: 180 Nm + 180°
    • Vehicles with an automatic transmission: 150 Nm +90°
    • Replace after removing.
  3. O-Ring
    • Not a replacement part; supplied with the bolt
  4. Vibration Damper
  5. Bolt
    • 8 Nm +90°; gradually in a diagonal sequence
    • Replace after removing.
  6. Sub-Assembly Bracket
  7. Seal
    • Replace after removing.
  8. Bolt
    • Tightening Specifications and Sequence. Refer to Fig 3.
    • Replace after removing.
  9. Starter Generator -C29-
  10. Bolt
  11. Tensioner
    • For the ribbed belt
    • Overview. Refer to OVERVIEW - GENERATOR .
    • Removing and installing. Refer to the appropriate Service Information
  12. A/C Compressor
  13. Bolt
  14. Alignment Sleeves

Ribbed Belt Routing for Starter Generator C29 

Fig 2: Ribbed Belt Routing for Starter Generator -C29-
GWWA13-11287Courtesy of AUDI OF AMERICA, LLC
  1. Vibration Damper
  2. Idler Roller
  3. Starter Generator -C29-
  4. Ribbed Belt Tensioner
  5. A/C Compressor

Sub-Assembly Bracket for Vehicles with Starter Generator - Tightening Specification and Sequence 

Fig 3: Sub-Assembly Bracket for Vehicles with Starter Generator - Tightening Sequence
GWWA13-11266Courtesy of AUDI OF AMERICA, LLC

-- Mount the sub-assembly bracket and then install the bolts -4- first.

-- Tighten the bolts in the steps shown in the sequence:

Step Bolts Tightening Specification/Additional Turn
1. -1 through 5- Install by hand all the way
2. -1 through 5- 20 Nm
3. -1 through 5- 90° additional turn